Granted Patent
Utility
US 6,651,787 · App. 09/934,181
Vibration damper
Inventor:
Manfred Grundei
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Aug 21, 2001
Inventor
Manfred Grundei
Assignee (at issue)
Mannesmann Sachs AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.